SSE Symantec Backup Exec 2012 SSE+ Symantec Backup Exec 2012 SSE Symantec Endpoint Protection 12.1 (September 2012) SSE+ Symantec Backup Exec 3600 Appliance (mid-market) (September 2012) SSE Symantec Protection Suite Small Business Edition and Enterprise Edition (October 2012) SSE Symantec System Recovery 2013